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LM2590HVS-3.3-LM2590HVS-5.0-LM2590HVS-ADJ-LM2590HVSX-3.3-LM2590HVT-3.3 Fast Delivery,Good Price
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LM2590HVS-3.3 |LM2590HVS33NSN/a179avaiSIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator with Features
LM2590HVS-5.0 |LM2590HVS50NSN/a1526avaiSIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator with Features
LM2590HVS-ADJ |LM2590HVSADJNSN/a350avaiSIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator with Features
LM2590HVS-ADJ |LM2590HVSADJNSC N/a28avaiSIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator with Features
LM2590HVSX-3.3 |LM2590HVSX33NSN/a8000avaiSIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator with Features
LM2590HVT-3.3 |LM2590HVT33NSN/a500avaiSIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator with Features


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LM2590HVT-3.3 ,SIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator with FeaturesElectrical CharacteristicsSpecifications with standard type face are for T = 25˚C, and those with b ..
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LM2591HVS-5.0 ,SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage RegulatorFeaturesstep-down (buck) switching regulator, capable of driving an 3.3V, 5V, and adjustable output ..
LM2591HVS-ADJ ,SIMPLE SWITCHER Power Converter 150 kHz 1A Step-Down Voltage Regulatorfeatures include a two stageTypicalApplication (Fixed Output Voltage Versions)10129301® ®SIMPLE SWI ..
LM4860M ,1 Watt Audio Power Amplifier with Shutdown ModeLM4860 1W Audio Power Amplifier with Shutdown ModeAugust 2000LM4860Series 1W Audio Power Amplifier ..
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LM2590HVS-3.3-LM2590HVS-5.0-LM2590HVS-ADJ-LM2590HVSX-3.3-LM2590HVT-3.3
SIMPLE SWITCHER Power Converter 150 KHz 1A Step-Down Voltage Regulator with Features
LM2590HV
SIMPLE SWITCHER® Power Converter 150 kHz 1A
Step-Down Voltage Regulator, with Features
General Description

The LM2590HV seriesof regulators are monolithic inte-
grated circuits that provideall the active functionsfora
step-down (buck) switching regulator, capableof drivinga load with excellent line and load regulation. These de-
vices are availablein fixed output voltagesof 3.3V, 5V, and adjustable output version.
This seriesof switching regulatorsis similarto the
LM2591HV with additionalsupervisory and performance fea-
tures.
Requiringa minimum numberof external components, these
regulators are simpleto use and include internal frequency
compensation†, improved line and load specifications,
fixed-frequency oscillator, Shutdown/Soft-start, output error
flag and flag delay.
The LM2590HV operatesata switching frequencyof 150
kHz thus allowing smaller sized filter components than what
wouldbe needed with lower frequency switching regulators.
Availableina standard 7-lead TO-220 package with several
different lead bend options, anda 7-lead TO-263 Surface
mount package.
Other features includea guaranteed ±4% toleranceon out-
put voltage underall conditionsof input voltage and output
load conditions, and ±15%on the oscillator frequency. Ex-
ternal shutdownis included, featuring typically 90μA
standby current. Self protection features includea two stage
current limitfor the output switch andan over temperature
shutdownfor complete protection under fault conditions.
Features
3.3V, 5V, and adjustable output versions Adjustable version output voltage range, 1.2Vto 57V
±4% max over line and load conditions Guaranteed1A output load current Availablein 7-pin TO-220 and TO-263 (surface mount)
Package Input voltage rangeupto 60V 150 kHz fixed frequency internal oscillator Shutdown/Soft-start Outof regulation error flag Error flag delay Low power standby mode,IQ typically90μA High Efficiency Thermal shutdown and current limit protection
Applications
Simple high-efficiency step-down (buck) regulator Efficient pre-regulatorfor linear regulators On-card switching regulators Positiveto Negative converter
Note:
† Patent Number 5,382,918.
Typical Application
(Fixed Output Voltage Versions)
December 2001
LM2590HV
SIMPLE
SWITCHER
Power
Converter
kHz
Step-Down
oltage
Regulator
Features
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